Alan Turing, The Bombe, Gordon Welchman, and Harold Keen red and black plaque

This red and black commemorative plaque records: Engineering Heritage Award The Bombe Bletchley Park Completed in 2007 using the original blueprints. An electromechanical device designed by A Turing, G Welchman and H Keen, used in cracking the German Enigma code during the Second World War. The 200 Bombes built by the British Tabulating Machine Company played a pivotal role in winning the war. Recorded plaque organisation: Institution of Mechanical Engineers.

Alan Turing, Gordon Welchman, and Harold Keen were key figures in developing the Bombe, an electromechanical device crucial for cracking the German Enigma code during World War II, significantly aiding Allied victory.